310 
Plot 1. 7 grams* Potassium sulphate 
oy ge 14 
dded 
3 
Bus 
2r grams Potassium sulphate 
ws. 
ig o% 
“ 6 410% “ sodium nitrate 
{1034 ia phosphate 
To plots 1, 2, 4 and § potash only was added, and in those the 
ms 
g 
what is known as a “‘complete eal: test’ in which case n 
trates and phosphates are also added. 
The crop grown was bush beans of the well-known garden var- 
1000 to I.” The seeds were selected for uniformity and 
medium size and were planted on July 11. When the first leaves 
above the cotyledons were well developed the number of plants 
was reduced to 30 for each plot and one week later the number 
was reduced i 25 per Pee a ee growing and healthy 
plants and Il spaced in the plots. 
By August 15, the plants were ion 10 to 12 inches in height 
plot had turned yellow and fallen. Soon thereafter it was notice- 
able that the leaves were dying and falling most rapidly in plot 
On September 4 the plants in this plot were very eee 
less leafy and green, while all other plots were leafy 
ealthy green color. All leaves were collected as they died either 
immediately after they fell or when ready to drop and they were 
ried and kept for final weighing 
he cee for the various fe may be presented in tabular 
form as follows: 
It will readily be seen that the best record was made by plot 2; 
of the plots to which potash alone was added it gave highest per- 
formance for every item. The control plot (no. 3) was lowest of 
all plots in every item. In the plot with complete fertilizer (no. 
* 28 grams are equal to one ounce. 
